package com.hmdp.config;


import com.hmdp.json.JacksonObjectMapper;
import com.hmdp.utils.LoginInterceptor;
import com.hmdp.utils.RefreshTokenInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import javax.annotation.Resource;
import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    /**
     * 通过knife4j生成接口文档
     * @return
     */
    //TODO
    @Bean
    public Docket docket1() {
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("黑马点评")
                .version("2.0")
                .description("黑马点评项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("接口")
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.hmdp.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }



    /**
     * 设置静态资源映射
     * @param registry
     */

    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    /**
     * 扩展SpringMvc转换器
     * @param converters
     */
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象转换器可以将java对象转换为json
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转换器加入容器中
        converters.add(0,converter);
    }

    @Resource
    private StringRedisTemplate stringRedisTemplate;

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        // 登录拦截器
        registry.addInterceptor(new LoginInterceptor())
                .excludePathPatterns(
                        "/shop/**",
                        "/voucher/**",
                        "/shop-type/**",
                        "/upload/**",
                        "/blog/hot",
                        "/user/code",
                        "/doc.html",
                        "/webjars/**",
                        "/v2/api-docs",
                        "/swagger-resources/**",
                        "/swagger-ui/**",
                        "/user/login"
                ).order(1);
        // token刷新的拦截器
        registry.addInterceptor(new RefreshTokenInterceptor(stringRedisTemplate))
                .addPathPatterns("/**")
                .excludePathPatterns(
                "/doc.html",
                "/webjars/**",
                "/v2/api-docs",
                "/swagger-resources/**",
                "/swagger-ui/**"
        ).order(0);
    }

}
